The Tiber ( ; it, Tevere ; la, Tiberis) is the third-longest
river in Italy and the longest in Central Italy, rising in the
Apennine Mountains
The Apennines or Apennine Mountains (; grc-gre, links=no, Ἀπέννινα ὄρη or Ἀπέννινον ὄρος; la, Appenninus or – a singular with plural meaning;''Apenninus'' (Greek or ) has the form of an adjective, which wou ...
in
Emilia-Romagna
egl, Emigliàn (man) egl, Emiglièna (woman) rgn, Rumagnòl (man) rgn, Rumagnòla (woman) it, Emiliano (man) it, Emiliana (woman) or it, Romagnolo (man) it, Romagnola (woman)
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and flowing through
Tuscany
it, Toscano (man) it, Toscana (woman)
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, demographics_type1 = Citizenship
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, demographics1_title1 = Italian
, demogra ...
,
Umbria
it, Umbro (man) it, Umbra (woman)
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, ...
, and
Lazio
it, Laziale
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, where it is joined by the River
Aniene
The Aniene (; la, Aniō), formerly known as the Teverone, is a river in Lazio, Italy. It originates in the Apennines at Trevi nel Lazio and flows westward past Subiaco, Vicovaro, and Tivoli to join the Tiber in northern Rome. It formed the ...
, to the
Tyrrhenian Sea
The Tyrrhenian Sea (; it, Mar Tirreno , french: Mer Tyrrhénienne , sc, Mare Tirrenu, co, Mari Tirrenu, scn, Mari Tirrenu, nap, Mare Tirreno) is part of the Mediterranean Sea off the western coast of Italy. It is named for the Tyrrhenian pe ...
, between
Ostia
Ostia may refer to:
Places
*Ostia (Rome), a municipio (also called ''Ostia Lido'' or ''Lido di Ostia'') of Rome
*Ostia Antica, a township and port of ancient Rome
*Ostia Antica (district), a district of the commune of Rome
Arts and entertainment ...
and