IStoa sika-Attalus Yi-portico yamaGrike, ebekwe kwinxalenye esempuma yeAgora eAthene. Olu lwakhiwo lwenziwa nguPhiladelfhus Attalus II, ukumkani wasePersi malunga ne-150 BC, enombulelo ngemfundo awayeyifumene kweso sixeko.
Isakhiwo sasisikhulu kakhulu njengaleso sasakhiwe ngelo xesha, sasilinganisa i-116,50 yeemitha ubude nge-20,05 ububanzi. Yayinemigangatho emibini, esezantsi ikwisitayile seDoric kunye nomgangatho omnye kwisitayile se-Ionic, yomibini imigangatho yayihlangene nezinyuko ezibini eziphelweni, isiseko sayo sasinexande kunye neekholamu ezininzi.
I-façade yenziwe ngeemabhile zePentelic, iindonga zenziwe ngelitye lekalika elivela kuPiraeus, kwaye uphahla lwenziwe ngeethayile.
Kwakuyiziko lezorhwebo okanye ukhokho wamaziko okuthenga angoku, lalinamandla okugcina iivenkile ezingama-41 kwaye kwafuneka liqeshwe kwi-Athene State.
Kwakukho neendawo zokuhlanganisana kunye neengxoxo, kungoko kwakungekho mfuneko yokuba ziye kubanda okanye elangeni.
Amabhodlo ayo afunyanwa phakathi kwinkulungwane yeshumi elinesithoba, yabuyiselwa phakathi kowe-1953 nowe-1956 kodwa akukho nto yatshintshwayo, abaphathi yayingamalungu eAmerican School of Archaeology ngenkxaso-mali evela kuJohn Rockefeller Jr.
IStoa seAtalo Inamaziko ayo iMyuziyam yeAgora yaseAthene.
Zonke iziqwenga zemifanekiso eqingqiweyo kunye nezinye, ezifumaneka kufutshane neAgora zikwiMyuziyam yaseStoa.
Esi sakhiwo luphawu lwesixeko kwaye okwangoku sisetyenziselwa iintlanganiso ezibalulekileyo, kwabanjwa "umsitho wokutyikitywa kokwandiswa kwe-EU kumazwe alishumi amatsha, i-Estonia, iLatvia, iLithuania, iPoland, iCzech Republic, iSlovakia, iHungary, iSlovenia , ECyprus naseMalta ”, ebibanjwe ngomhla we-16 ku-Epreli 2003.