Map with location of the studied speleo districts and caves (red flowers) of Abkhazia (Western Caucasus). Speleo districts: Gumistinsko-Panavski (brown area), Duripshsky (dark blue area), Dzhal (orange area). Caves: Zeda Likhni Cave (1), Kveda Likhni Cave (2), Tvanba-I Cave (3), Adzhimchigrinskaya Cave (4), Tarkili Cave (5), Adzaba (6), Tsebeldis satavis Cave (7), Shua Shakurani Cave (8), Kveda Shakurani Cave (9), Otapistavi Cave (10), Abrskili Cave (11), Thina Cave (12), Dzhalskaya-I Cave (13), Gupskaya Cave (14), Old railway tunnel (15). Map prepared in QGIS software using the resource https://srtm.csi.cgiar.org.