▁However , ▁recent ▁arch ae ological ▁evidence ▁from ▁Ts ik his d zi ri ▁suggests ▁that ▁the ▁site ▁surv ived ▁well ▁into ▁the ▁ 7 th ▁century ▁AD ▁and ▁beyond , ▁with ▁the ▁fort ification ▁walls ▁remaining ▁in ▁use ▁and ▁repeatedly ▁rep a ired . ▁ ▁Arch ae ology ▁ ▁Main stream ▁scholar ly ▁opinion ▁ident ifies ▁Pet ra ▁with ▁a ▁ru ined ▁settlement ▁found ▁in ▁the ▁village ▁of ▁Ts ik his d zi ri , ▁in ▁Georgia ' s ▁south western ▁autonom ous ▁republic ▁of ▁Ad j ara , ▁between ▁Bat umi ▁and ▁Kob u let i . ▁It ▁contains ▁ru ins ▁of ▁a ▁cit adel — 2 0 0   m ▁in ▁length ▁and ▁ 1 0 0   m ▁in ▁width — located ▁on ▁two ▁neighbor ing ▁rock y ▁se as ide ▁hills ▁and ▁a ▁large ▁ 6 th - century ▁three - na ve ▁bas il ica ▁with ▁a ▁n art hex , ▁project ing ▁ap se , ▁and ▁m osa ic ▁floor , ▁which ▁was ▁probably ▁a ▁bishop ' s ▁seat . ▁Other ▁buildings ▁from ▁that ▁time ▁are ▁a ▁bath , ▁water ▁c is tern , ▁several ▁other ▁structures — rem ains ▁of ▁an ▁urban ▁settlement — as ▁well ▁as ▁more ▁than ▁ 3 0 0 ▁bur ial s ▁located ▁nearby . ▁The ▁site ▁has ▁also ▁yield ed ▁several ▁Late ▁Bron ze ▁Age , ▁H ellen istic , ▁Roman , ▁and ▁medieval ▁objects . ▁Liter ary ▁and ▁arch ae ological ▁evidence ▁suggest ▁Pet ra ▁was ▁a ▁result ▁of