If you do not want to make or buy your own table for backgammon, then you can set the game up on your kitchen or dinning room table. You can even play the game on your living room floor. As long as you have a flat surface to play and keep the game pieces in place, you have what you need to play backgammon.
If you are buying a backgammon table, you can look at department stores or game stores for one. You can even buy one online or you can find on in a catalog. They can be found at reasonable prices. There are many different sizes and shapes for these boards. It just comes down to your preference and where you play the game.