 :I don't know, there are plenty names in Latvia that are not understandable, I don't know greek so I can't tell just by looking in map. If you are realy interested here is lakes of Latgale in tour guide and database of lakes in Latvia, both are in Latvian, but I think you'll get the idea, in the last site there are three search fields on the top - (from top to bottom) first field is exact name (it will sugest you names as you type), second is part of name (so you can enter root you are looking for) and the last one is adminstrative regions / 