São Domingos is both a

Sector Sector may refer to: Places * Sector, West Virginia, U.S. Geometry * Circular sector, the portion of a disc enclosed by two radii and a circular arc * Hyperbolic sector, a region enclosed by two radii and a hyperbolic arc * Spherical sector, a p ...

and a city in the

Cacheu Region Cacheu is a region in western Guinea-Bissau, on the border with Senegal. It has an area of 5,175 km2 and a population estimated in 2004 at 164,676. Its capital is Cacheu. There has not been any local administration since the civil war of 199 ...

Guinea-Bissau Guinea-Bissau ( ; pt, Guiné-Bissau; ff, italic=no, 𞤘𞤭𞤲𞤫 𞤄𞤭𞤧𞤢𞥄𞤱𞤮, Gine-Bisaawo, script=Adlm; Mandinka: ''Gine-Bisawo''), officially the Republic of Guinea-Bissau ( pt, República da Guiné-Bissau, links=no ), ...

. The sector also contains the main

border checkpoint A border checkpoint is a location on an international border where travelers or goods are inspected and allowed (or denied) passage through. Authorization often is required to enter a country through its borders. Access-controlled borders ofte ...

Senegal Senegal,; Wolof: ''Senegaal''; Pulaar: 𞤅𞤫𞤲𞤫𞤺𞤢𞥄𞤤𞤭 (Senegaali); Arabic: السنغال ''As-Sinighal'') officially the Republic of Senegal,; Wolof: ''Réewum Senegaal''; Pulaar : 𞤈𞤫𞤲𞤣𞤢𞥄𞤲𞤣𞤭 ...

at Jegue (on the Guinean side), Mpack on the Senegalese. In 2016 it was announced that this border crossing would be significantly developed with funding from the UEMOA.Announcement of the new border facilities project
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Notes

Cacheu Region Guinea-Bissau–Senegal border crossings Sectors of Guinea-Bissau Populated places in Guinea-Bissau {{guineaBissau-geo-stub