Quartiere I Flaminio on Tavola 23, a long crescent beside the Tiber from the northern bridges down to the blocks near the Ministero della Marina.
Source: Old map, public domain
Ponte Duca d'Aosta and Ponte Flaminio are lettered where the river bends, and Villa Flaminia appears among the blocks of the northern half. The tapering southern tail, near the Ministero della Marina, is packed with small coloured lots.