Sem, Norway
| Sem Semsbyen | |
|---|---|
| Village | |
| View of the village | |
| Coordinates: 59°16′56″N 10°19′48″E / 59.2823°N 10.33004°E | |
| Country | Norway | 
| Region | Eastern Norway | 
| County | Vestfold | 
| District | Jarlsberg | 
| Municipality | Tønsberg Municipality | 
| Area | |
|  • Total | 2.02 km2 (0.78 sq mi) | 
| Elevation | 18 m (59 ft) | 
| Population  (2023) | |
|  • Total | 2,733 | 
| • Density | 1,350/km2 (3,500/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| Post Code | 3170 Sem | 
Sem or Semsbyen is a village in Tønsberg Municipality in Vestfold county, Norway. The village is located about 5 kilometres (3.1 mi) to the west of the city of Tønsberg. The village of Vear lies about 3 kilometres (1.9 mi) to the southeast of Sem, along the shore of the Tønsbergfjorden. The historic Sem Church is located just northeast of the village.
The village lies along the border with Sandefjord Municipality to the southwest (in fact, a small portion of the urban area of Sem crosses over the border and has about 50 residents in the neighboring municipality). The 2.02-square-kilometre (500-acre) village has a population (2023) of 2,733 and a population density of 1,350 inhabitants per square kilometre (3,500/sq mi).
The village of Sem was the administrative centre of the old Sem Municipality which existed from 1838 until 1988 when it became part of Tønsberg Municipality.