 Kunyora kupfuurira kweiyi ndima - Kugadzwa kweDhipatimendi rePort muna 1911, iro raidzora mabasa ekuvaka nekuchengetedza chiteshi, uye Piraeus Port Authority muna 1930, iyo yakaita basa rakanaka rekutarisira chiteshi zvishoma nezvishoma kuwedzera mumotokari, yakaita basa rinokurudzira mukuvandudzwa kweguta. Guta racho rakabudirira uye zvivako zvechiNeo-classical zvakavakwa; chimwe chazvo, icho chinopfuurira kushongedza guta razvino, iPiraeus Municipal Theatre, muenzaniso wakaisvonaka wenzvimbo yacho yaimbova yakakura yechiNeo-classical architecture. Mushure menguva yakasarudzika yeGreece ya19121922, Piraeus yakasangana nekuputika kukuru kwehuwandu hwevanhu, nevanhu vayo vakapetwa kaviri kusvika pa251,659 muna 1928 kubva pa133,482 muna 1920, kuwedzera kwakakonzerwa nekuuya kwevapoteri vechiGiriki kubva kuAsia Minor mushure me19191922 Hondo yeGreek-Turkishuye kuchinjana kwevanhu kwakazoitika pakati peGreece neTurkey. Kunyange zvazvo paiva nokuwedzera kwevashandi, zvinetso zvakasiyana-siyana zvemagariro zvakabudawo nekuunganidzwa kwevanhu vatsva mumasango eguta, akadai seNikaia, Keratsini, Drapetsona neKorydallos. 