Amersfoort is a city and municipality in the province of Utrecht, Netherlands. As of 31 January 2023, the municipality had a population of 160,902, making it the second-largest of the province and fifteenth-largest of the country. Amersfoort is also one of the largest Dutch railway junctions with its three stations—Amersfoort Centraal, Schothorst and Vathorst—due to its location on two of the Netherlands' main east to west and north to south railway lines. The city was used during the 1928 Summer Olympics as a venue for the modern pentathlon events. Amersfoort marked its 750th anniversary as a city in 2009.

Utrecht, officially the Province of Utrecht, is a province of the Netherlands. It is located in the centre of the country, bordering the Eemmeer in the north-east, the province of Gelderland in the east and south-east, the province of South Holland in the west and south-west and the province of North Holland in the north-west and north. The province of Utrecht has a population of about 1,388,000 as of January 2023. With a land area of approximately 1,484 square kilometres (573 sq mi), it is the second smallest province in the country. Apart from its eponymous capital, major cities and towns in the province are Amersfoort, Houten, IJsselstein, Nieuwegein, Veenendaal and Zeist. The busiest railway station in the Netherlands, Utrecht Centraal, is located in the province of Utrecht.