sofia - map search
Topographic map g19 of scale 1:1 000 000
English - US military - 1988 - 16Mb -
Topographic map 32 of scale 1:2 000 000
English - US military - 1968 - 4Mb -
Topographic map h28-32 of scale 1:200 000
Russian - Soviet military - 2Mb -
Topographic map k32 of scale 1:1 000 000
Russian - Soviet military - 3Mb -