Input (grade 12): Located south of Richmond, it is bordered by the Fraser River to the north, the United States (Point Roberts, Washington) to the south and the city of Surrey to the east.
Output (grade 7): Delta is next to the cities of; Richmond to the north, Surrey to the east, and New Westminster to the north east. Delta is also next to Point Roberts to the south, Point Roberts is a part of Whatcom County, Washington, USA.