Here's the full list:
E0M0 - Camp
E1M0 - Village
E2M0 - Town
E0M1 - Manor
E0M2 - Castle
E1M1 - Manor Village
E2M1 - Manor Town
E1M2 - Castle Village
E2M2 - Castle Town
E = Economic level, M = Military level.
CastleVillage might have a different name, but that's how I remember it.