Padan (ae lotini Pad anus — nomp d. Po, ki dar bayni rimiyoni qadim mamul bud), Hamvorii Ladanu Venesiya, pastii Lombardiya, hamvoriest dar shimoli Italiya, dar bayni kuhhoi Allu Apennin va bahri Adriatika; qismi ziyodash dar havzai daryoi Po voqe gashtaast. Tulash qarib 500 kilometr, barash to 200 kilometr (dar Sh.). Padan az jihati geologi pastkhamii tektoniki buda, bo tahshinhoi allyuvialii gafsiashon to 8 kilometr pur shudaast. Sathi Padan aksaran hamvor buda, az Farb ba Sharq tadrijan past shuda meravad.
Dar markazi Padan hamvorihoi pasti khokashon allyuvialii hosilkhez, dar kanorhoyash hamvorihoi balandi regu shagaldor mavjudand. Dar qismi sharqii Padan deltai daryoi Po voqe buda, baze qitahoi poyonobi daryoi Po az sathi bahr pasttarand. Iqlimi Padan subtropiki va mutadil. Harorati miyonai yanvar az O to 4°Selsiya, iyul az 22 to 24° Selsiya. Borishoti solona 600—1000 millimetr. Barf khele kam me- borad. Dar Padan daryo bisyor. Davrai damishi ob bahoru tiramoh. Zud-zud obkhezi ba amal meoyad (kalontarinash solhoi 1951, 1957 va 1966 ruy doda bud).
Dar in jo kanalhoi obyori, obkhushkkuni va kishtigardi bisyore sokhta shudaand. Beshahoi darakhtoni pakhnbargi bulut, kastona, zayzafun, shamshod va bedu safedor, ki chande pesh Padan va daryobodi onro faro girifta budand, holo qarib tamoman reshakan shudaand. Padan nohiyai kalontarini khojagii qishloqi Italiya meboshad, ki dar on asosan gandum, juvorimakka, sholi kisht karda meshavad. Tokzorho va boghoi meva niz mavjudand. Shahrhoi asosiash: Milan, Turin. Venesiya, Bolonya.