The Eglinton Tournament took place on the Eglinton grounds in Ayrshire, which is approximately in the area of what is now mapped as Eglinton Country Park (in the modern day).
The estate consited of the arena, where the tournament was held, the Eglinton bridge, which was part of the procession from the castle to the arena grounds, and the Eglinton castle, which is where the banquet and ball was held at the end of the tournament.