Province qualifies as nation too.

src/engine/objects/Guild.java

@@ -741,8 +741,6 @@ public class Guild extends AbstractWorldObject {
 
         this.guildState = GuildManager.calcuateGuildState(this);
 
-        Logger.info(this.name + ":" + this.guildState + ":" + this.nation.name);
-
         if (this.getOwnedCity() == null)
             return;