diff --git a/src/common/gamecode/creation.h b/src/common/gamecode/creation.h
index d848bc464..f30bfe219 100644
--- a/src/common/gamecode/creation.h
+++ b/src/common/gamecode/creation.h
@@ -31,6 +31,5 @@ void listnames(void);
 void writemap(FILE * F, int mode);
 
 void regionspells(void);
-void moveunit(void);
 
 #endif
diff --git a/src/common/gamecode/laws.c b/src/common/gamecode/laws.c
index a2bcde1ce..31d424449 100644
--- a/src/common/gamecode/laws.c
+++ b/src/common/gamecode/laws.c
@@ -1182,7 +1182,14 @@ set_ally(unit * u, strlist * S)
 			sf->status = HELP_ALL;
 		break;
 
-	case P_GIB:
+	case P_TRAVEL:
+		if (not_kw == P_NOT)
+			sf->status = sf->status & (HELP_ALL - HELP_TRAVEL);
+		else
+			sf->status = sf->status | HELP_TRAVEL;
+		break;
+
+  case P_GIB:
 		if (not_kw == P_NOT)
 			sf->status = sf->status & (HELP_ALL - HELP_GIVE);
 		else
diff --git a/src/common/gamecode/report.c b/src/common/gamecode/report.c
index 95fe74f54..c70489b8c 100644
--- a/src/common/gamecode/report.c
+++ b/src/common/gamecode/report.c
@@ -12,7 +12,6 @@
  * prior permission by the authors of Eressea.
  */
 
-#define FAST_SEEN 0
 #define INDENT 0
 
 #include <config.h>
@@ -1672,6 +1671,10 @@ show_allies(const faction * f, const ally * allies)
 			for (h = 1; h < HELP_ALL; h *= 2) {
 				if ((mode & h) == h)
 					switch (h) {
+					case HELP_TRAVEL:
+						scat("Durchreise");
+						hh = 1;
+						break;
 					case HELP_MONEY:
 						scat("Silber");
 						hh = 1;
@@ -2574,52 +2577,6 @@ seen_done(void)
 	}
 }
 
-#if FAST_SEEN
-static void
-init_intervals()
-{
-	region * r;
-	for (r=regions;r;r=r->next) {
-		unit * u;
-		attrib * a;
-		for (a=a_find(r->attribs, &at_travelunit);a;a=a->nexttype) {
-			unit * v = (unit*)a->data.v;
-			faction * f = v->faction;
-			if (!f) continue;
-			if (!f->first)
-			{
-				assert(!f->last);
-				f->first = r;
-			}
-			f->last = r->next;
-		}
-		for (a=a_find(r->attribs, &at_lighthouse);a;a=a->nexttype) {
-			building * b = (building*)a->data.v;
-			region * br = b->region;
-			if (!b->region) continue;
-			for (u=br->units;u;u=u->next) {
-				faction * f = u->faction;
-				if (!f->first)
-				{
-					assert(!f->last);
-					f->first = r;
-				}
-				f->last = r->next;
-			}
-		}
-		for (u=r->units;u;u=u->next) {
-			faction * f = u->faction;
-			if (!f->first)
-			{
-				assert(!f->last);
-				f->first = r;
-			}
-			f->last = r->next;
-		}
-	}
-}
-#endif
-
 seen_region *
 find_seen(const region * r)
 {
@@ -2919,9 +2876,6 @@ reports(void)
 	printf("\n");
 
 	report_donations();
-#if FAST_SEEN
-	init_intervals();
-#endif
 	remove_empty_units();
 	log_printf("Report timestamp - %s\n", pzTime);
 	for (f = factions; f; f = f->next) {
diff --git a/src/common/kernel/eressea.c b/src/common/kernel/eressea.c
index 1be341ee2..248affb3d 100644
--- a/src/common/kernel/eressea.c
+++ b/src/common/kernel/eressea.c
@@ -151,6 +151,7 @@ const char *parameters[MAXPARAMS] =
 	"GEBÄUDE",
 	"GIB",			/* Für HELFE */
 	"KÄMPFE",
+	"DURCHREISE",
 	"BEWACHE",
 	"ZAUBER",
 	"PAUSE",
@@ -478,9 +479,6 @@ stripfaction (faction * f)
 	free(f->passw);
 	free(f->override);
 	free(f->name);
-#ifndef FAST_REGION
-	vset_destroy(&f->regions);
-#endif
 	while (f->attribs) a_remove (&f->attribs, f->attribs);
 	freelist(f->ursprung);
 	funhash(f);
diff --git a/src/common/kernel/eressea.h b/src/common/kernel/eressea.h
index 9d54cc002..dd349a2d5 100644
--- a/src/common/kernel/eressea.h
+++ b/src/common/kernel/eressea.h
@@ -163,10 +163,16 @@ struct xml_stack;
 #define CURSETYPE_VERSION 312
 #define ALLIANCES_VERSION 313
 #define DBLINK_VERSION 314
+#define REGIONOWNERS_VERSION 315
 
 #define MIN_VERSION TYPES_VERSION
 #define UGROUPS_VERSION 400 /* nicht aktivieren, nicht fertig */
-#define RELEASE_VERSION ALLIANCES_VERSION
+
+#ifdef REGIONOWNERS
+# define RELEASE_VERSION REGIONOWNERS_VERSION
+#else
+# define RELEASE_VERSION DBLINK_VERSION
+#endif
 
 /*
 #if RELEASE_VERSION >= UGROUPS_VERSION
@@ -495,6 +501,7 @@ enum {
 	P_GEBAEUDE,
 	P_GIB,
 	P_KAEMPFE,
+  P_TRAVEL,
 	P_GUARD,
 	P_ZAUBER,
 	P_PAUSE,
@@ -828,8 +835,9 @@ enum {
 #define HELP_OBSERVE   4			/* Bei Wahrnehmung mithelfen */
 #define HELP_GIVE      8			/* Dinge annehmen ohne KONTAKTIERE */
 #define HELP_GUARD    16			/* Laesst Steuern eintreiben etc. */
-#define HELP_FSTEALTH 32			/* Laesst Steuern eintreiben etc. */
-#define HELP_ALL    (63-HELP_OBSERVE)		/* Alle "positiven" HELPs zusammen */
+#define HELP_FSTEALTH 32			/* Parteitarnung anzeigen. */
+#define HELP_TRAVEL   64			/* Laesst Regionen betreten. */
+#define HELP_ALL    (127-HELP_OBSERVE)		/* Alle "positiven" HELPs zusammen */
 /* HELP_OBSERVE deaktiviert */
 /* ------------------------------------------------------------- */
 /* Prototypen */
diff --git a/src/common/kernel/faction.c b/src/common/kernel/faction.c
index 0bfb7595c..36f9eb2bf 100644
--- a/src/common/kernel/faction.c
+++ b/src/common/kernel/faction.c
@@ -289,3 +289,40 @@ destroyfaction(faction * f)
 	}
 }
 
+#ifdef REGIONOWNERS
+boolean
+is_enemy(const struct faction * f, const struct faction * enemy)
+{
+  struct faction_list * flist = f->enemies;
+  for (;flist!=NULL;flist=flist->next) {
+    if (flist->data==enemy) return true;
+  }
+  return false;
+}
+
+void
+add_enemy(struct faction * f, struct faction * enemy)
+{
+  if (!is_enemy(f, enemy)) {
+    struct faction_list * flist = malloc(sizeof(faction_list));
+    flist->next = f->enemies;
+    flist->data = enemy;
+    f->enemies = flist;
+  }
+}
+
+void
+remove_enemy(struct faction * f, const struct faction * enemy)
+{
+  struct faction_list **pflist = &f->enemies;
+  while (*pflist!=NULL) {
+    struct faction_list * flist = *pflist;
+    if (flist->data==enemy) {
+      *pflist = flist->next;
+      free(flist);
+    } else {
+      pflist = &flist->next;
+    }
+  }
+}
+#endif
diff --git a/src/common/kernel/faction.h b/src/common/kernel/faction.h
index 8d4a47a44..334c52594 100644
--- a/src/common/kernel/faction.h
+++ b/src/common/kernel/faction.h
@@ -61,13 +61,13 @@ typedef struct faction {
 #endif
 #ifdef VICTORY_DELAY
 	unsigned char victory_delay;
-#endif
-#ifndef FAST_REGION
-	vset regions;
 #endif
 	struct unit * units;
 	struct attrib *attribs;
 	struct message_list * msgs;
+#ifdef REGIONOWNERS
+  struct faction_list * enemies;
+#endif
 	struct bmsg {
 		struct bmsg * next;
 		struct region * r;
@@ -89,4 +89,10 @@ extern struct unit * addplayer(struct region *r, const char *email,
 extern boolean checkpasswd(const faction * f, const char * passwd);
 extern void destroyfaction(faction * f);
 
+#ifdef REGIONOWNERS
+extern boolean is_enemy(const struct faction * f, const struct faction * enemy);
+extern void add_enemy(struct faction * f, struct faction * enemy);
+extern void remove_enemy(struct faction * f, const struct faction * enemy);
+#endif
+
 #endif
diff --git a/src/common/kernel/movement.c b/src/common/kernel/movement.c
index d358f4503..108e99ade 100644
--- a/src/common/kernel/movement.c
+++ b/src/common/kernel/movement.c
@@ -143,6 +143,19 @@ static attrib_type at_driveweight = {
 	"driveweight", NULL, NULL, NULL, NULL, NULL
 };
 
+static boolean
+entrance_allowed(const struct unit * u, const struct region * r)
+{
+#ifdef REGIONOWNERS
+  unit * owner = region_owner(r);
+  if (owner==NULL || u->faction==owner->faction) return true;
+  if (alliedunit(owner, u->faction, HELP_TRAVEL)) return true;
+  if (is_enemy(u->faction, owner->faction)) return true;
+  return false;
+#endif
+  return true;
+}
+
 int
 personcapacity(const unit *u)
 {
@@ -1073,6 +1086,11 @@ travel(region * first, unit * u, region * next, int flucht)
 				ADDMSG(&u->faction->msgs, msg_message("leavefail", 
 					"unit region", u, next));
 			}
+      if (!entrance_allowed(u, next)) {
+				ADDMSG(&u->faction->msgs, msg_message("regionowned", 
+					"unit region target", u, current, next));
+				break;
+      }
 			if ((wache = bewegung_blockiert_von(u, current)) != (unit *) NULL
 				&& gereist != 0)
 			{
diff --git a/src/common/kernel/region.c b/src/common/kernel/region.c
index 5853ed3ee..99b8b033d 100644
--- a/src/common/kernel/region.c
+++ b/src/common/kernel/region.c
@@ -25,6 +25,7 @@
 
 /* kernel includes */
 #include "border.h"
+#include "building.h"
 #include "curse.h"
 #include "faction.h"
 #include "item.h"
@@ -32,6 +33,7 @@
 #include "plane.h"
 #include "region.h"
 #include "resources.h"
+#include "unit.h"
 
 /* util includes */
 #include <resolve.h>
@@ -1090,4 +1092,24 @@ r_addmessage(struct region * r, const struct faction * viewer, struct message *
 	return add_message(&imsg->msgs, msg);
 }
 
-
+struct unit * 
+region_owner(const struct region * r)
+{
+#ifdef REGIONOWNERS
+  struct unit * owner = NULL;
+  int maxsize = 0;
+  building * b = r->buildings;
+  for (;b!=NULL;b=b->next) {
+    if (b->size>maxsize) {
+      unit * u = buildingowner(r, b);
+      if (u) {
+        owner = u;
+        maxsize=b->size;
+      }
+    }
+  }
+  return owner;
+#else
+  return NULL;
+#endif
+}
diff --git a/src/common/kernel/region.h b/src/common/kernel/region.h
index 6259c4cff..d0b12ebbc 100644
--- a/src/common/kernel/region.h
+++ b/src/common/kernel/region.h
@@ -218,4 +218,6 @@ extern int production(const struct region *r);
 extern int read_region_reference(struct region ** r, FILE * F);
 extern void write_region_reference(const struct region * r, FILE * F);
 
+extern struct unit * region_owner(const struct region * r);
+
 #endif /* _REGION_H */
diff --git a/src/common/kernel/reports.h b/src/common/kernel/reports.h
index 47370f520..c1dc25d0f 100644
--- a/src/common/kernel/reports.h
+++ b/src/common/kernel/reports.h
@@ -56,14 +56,6 @@ char *translate_regions(const char *st, const struct faction * f);
 
 char *replace_global_coords(const char *s, const struct faction * f);
 
-#ifdef USE_MERIAN
-#ifdef FAST_REGION
-void merian(FILE * out, struct faction *f);
-#else
-void merian(FILE * out, vset* regs, struct faction *f);
-#endif
-#endif
-
 char *f_regionid(const struct region *r, const struct faction *f);
 
 /* für fast_region und neuen CR: */
diff --git a/src/common/kernel/save.c b/src/common/kernel/save.c
index 0b9b1dd1d..fcc5f0c74 100644
--- a/src/common/kernel/save.c
+++ b/src/common/kernel/save.c
@@ -434,6 +434,38 @@ getbuf(FILE * F)
 	return buf;
 }
 
+#ifdef REGIONOWNERS
+static void
+read_enemies(FILE * F, faction * f)
+{
+  if (global.data_version<REGIONOWNERS_VERSION) return;
+  f->enemies = NULL;
+  for (;;) {
+    char zText[32];
+    fscanf(F, "%s", zText);
+    if (strcmp(zText, "end")==0) break;
+    else {
+      int fno = atoi36(zText);
+      faction_list * flist = malloc(sizeof(faction_list));
+      flist->next = f->enemies;
+      f->enemies = flist;
+      ur_add((void*)fno, (void**)&flist->data, resolve_faction);
+    }
+  }
+}
+
+static void
+write_enemies(FILE * F, const faction_list * flist)
+{
+#if RELEASE_VERSION>=REGIONOWNERS_VERSION
+  while (flist) {
+    fprintf(F, "%s ", itoa36(flist->data->no));
+  }
+  fputs("end\n", F);
+#endif
+}
+#endif
+
 static unit *
 unitorders(FILE * F, struct faction * f)
 {
@@ -2188,6 +2220,9 @@ readfaction(FILE * F)
 		}
 	}
 	read_groups(F, f);
+#ifdef REGIONOWNERS
+  read_enemies(F, f);
+#endif
 	return f;
 }
 
@@ -2242,4 +2277,7 @@ writefaction(FILE * F, const faction * f)
 	fprintf(F, "end");
 	wnl(F);
 	write_groups(F, f->groups);
+#ifdef REGIONOWNERS
+  write_enemies(F, f->enemies);
+#endif
 }
diff --git a/src/common/settings-eressea.h b/src/common/settings-eressea.h
index f22e7fec5..a100188ba 100644
--- a/src/common/settings-eressea.h
+++ b/src/common/settings-eressea.h
@@ -43,6 +43,7 @@
 #define NEWATSROI 0
 
 #define CHECK_OVERLOAD_ON_ENTER
+#undef REGIONOWNERS
 
 #define MUSEUM_MODULE
 #define ARENA_MODULE
diff --git a/src/res/de/messages.xml b/src/res/de/messages.xml
index 96cba0aee..9ab5cfc0b 100644
--- a/src/res/de/messages.xml
+++ b/src/res/de/messages.xml
@@ -5393,17 +5393,22 @@
 		</locale>
 	</message>
 
-	<message name="moveblockedbyguard">
+	<message name="regionowned" section="movement">
+		<type>
+			<arg name="unit" type="unit"></arg>
+			<arg name="region" type="region"></arg>
+			<arg name="target" type="region"></arg>
+		</type>
+		<text locale="de">"$unit($unit) konnte nicht von $region($region) nach $region($target) reisen, da der Besitzer der Region es verhinderte."</text>
+	</message>
+
+	<message name="moveblockedbyguard" section="movement">
 		<type>
 			<arg name="unit" type="unit"></arg>
 			<arg name="region" type="region"></arg>
 			<arg name="guard" type="unit"></arg>
 		</type>
-		<locale name="de">
-			<nr section="movement">
-				<text>"$unit($unit) wurde in $region($region) von $unit($guard) aufgehalten."</text>
-			</nr>
-		</locale>
+		<text locale="de">"$unit($unit) wurde in $region($region) von $unit($guard) aufgehalten."</text>
 	</message>
 
 	<message name="sailfail">
@@ -7730,20 +7735,12 @@
 		<text locale="en">"($int36($id))"</text>
 	</message>
 	
-	<message name="mallorn_effect">
+	<message name="mallorn_effect" section="magic">
 		<type>
 			<arg name="mage" type="unit"></arg>
 		</type>
-		<locale name="de">
-			<nr section="magic">
-				<text>"$unit($mage) läßt einen Teil seiner selbst in die Erde fliessen. Die Bäume, die Transformation überlebt haben, erscheinen nun viel kräftiger."</text>
-			</nr>
-		</locale>
-		<locale name="en">
-			<nr section="magic">
-				<text>"The power of $unit($mage) flows into the region and the trees which survived the spell appear stronger now."</text>
-			</nr>
-		</locale>
+		<text locale="de">"$unit($mage) läßt einen Teil seiner selbst in die Erde fliessen. Die Bäume, die Transformation überlebt haben, erscheinen nun viel kräftiger."</text>
+		<text locale="en">"The power of $unit($mage) flows into the region and the trees which survived the spell appear stronger now."</text>
 	</message>
 
 </messages>
diff --git a/src/res/de/strings.xml b/src/res/de/strings.xml
index 18d6d163a..324432002 100644
--- a/src/res/de/strings.xml
+++ b/src/res/de/strings.xml
@@ -1626,6 +1626,10 @@
 	<string name="KRÄUTER">
 		<text locale="de">KRÄUTER</text>
 	</string>
+	<string name="DURCHREISE">
+		<text locale="de">DURCHREISE</text>
+		<text locale="en">TRAVEL</text>
+	</string>
 	<string name="KÄMPFE">
 		<text locale="de">KÄMPFE</text>
 	</string>