Where can one buy a dining table and chairs?

Firstly, decide what you need. Once you know that, you can identify stores that comply with your need. Larger stores or group stores will have the greatest variety to choose from at probably the best prices. However it is worthwhile to compare, or just browse smaller furniture stores close by. Furniture store frequently have clearance sales to introduce make space for updated trends, and if you look around you might pick up the table you need for the price you are willing to pay.