The Vacomagi were a people of ancient Britain

Great Britain

Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

, known only from a single mention of them by the geographer

Geographer

A geographer is a scholar whose area of study is geography, the study of Earth's natural environment and human society.Although geographers are historically known as people who make maps, map making is actually the field of study of cartography, a subset of geography...

 Ptolemy

Ptolemy

Claudius Ptolemy , was a Roman citizen of Egypt who wrote in Greek. He was a mathematician, astronomer, geographer, astrologer, and poet of a single epigram in the Greek Anthology. He lived in Egypt under Roman rule, and is believed to have been born in the town of Ptolemais Hermiou in the...

 c. 150. From his general description and the approximate locations of their neighbors, their territory was the region of Strathspey

Strathspey, Scotland

Strathspey is the area around the strath of the River Spey, Scotland, in both the Moray council area and the Badenoch and Strathspey committee area of Highland....

, including that part of the northern coast of Scotland

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

. Ptolemy says that their towns or principal places were called 'Bannatia', 'Tamia', 'Pinnata camp', and 'Tuesis'.