Alto Douro (region)
Alto Douro was one of the 13 regions of continental Portugal identified by geographer Amorim Girão, in a study published between 1927 and 1930.
Together with Trás-os-Montes it became Trás-os-Montes e Alto Douro Province.
Coordinates: 41°06′06″N 7°47′56″W / 41.1017°N 7.7989°W
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