ensive ▁walls , ▁has ▁been ▁fully ▁preserved . ▁T arn ów ▁is ▁also ▁the ▁warm est ▁city ▁of ▁Poland , ▁with ▁the ▁highest ▁long - term ▁mean ▁annual ▁temperature ▁in ▁the ▁whole ▁country . ▁ ▁Names ▁and ▁et ym ology ▁ ▁The ▁first ▁documented ▁mention ▁of ▁the ▁settlement ▁dates ▁back ▁to ▁ 1 1 0 5 , ▁sp elled ▁as ▁Th arn ow . ▁The ▁name ▁later ▁evol ved ▁to ▁T arn owo ▁( 1 2 2 9 ), ▁T arn ów ▁( 1 3 2 7 ), ▁and ▁Th arn ow ▁( 1 4 7 3 ). ▁The ▁place ▁name ▁T arn ów ▁is ▁widely ▁used ▁in ▁different ▁forms ▁across ▁S lav ic ▁Europe , ▁and ▁lands ▁which ▁used ▁to ▁be ▁inhab ited ▁by ▁S lav s , ▁such ▁as ▁eastern ▁Germany , ▁Hung ary , ▁and ▁northern ▁Greece . ▁There ▁is ▁a ▁German ▁town , ▁T arn ow , ▁Greek ▁T yr nav os ▁( also ▁sp elled ▁as ▁Tir n ovo ), ▁Czech ▁Tr nov , ▁Bulgar ian ▁Vel iko ▁T arn ovo ▁and ▁M alk o ▁T arn ovo , ▁as ▁well ▁as ▁different ▁Tr nov os / Tr now os ▁in ▁Sloven ia , ▁Slov ak ia , ▁Ser bia , ▁Bos nia , ▁and ▁North ▁Mac ed onia . ▁The ▁name ▁T arn ów ▁comes ▁from ▁an ▁early ▁S lav ic ▁word ▁tr n / t arn , ▁which ▁means ▁" th orn ", ▁or ▁an ▁area ▁covered ▁by ▁th orn y ▁plants . ▁ ▁History ▁