What countries border United Kingdom?
United Kingdom borders exactly one country: Ireland.
Why it matters in Bordlr
Every Bordlr puzzle is built on this border graph: you connect two regions by naming the chain of neighbors between them. Knowing United Kingdom's neighbor cold makes it a much faster link in any chain.
Bordlr is a free daily geography game: connect two regions through the lands that border them, in as few countries and as few kilometers as you can.
Play Bordlr — free