Dining table is usually of two shapes: rectangular and round. Perhaps it's more comfortable and cozier to eat around the round one, however, some spare space is necessary from all the sides. And a rectangular table can easily be lodged to the wall.
Of course the rectangular one would be much more comfortable in smaller spaces, however, round tables of small diameter exist, too, there’s just one disadvantage that there will be space for fewer chairs around it. There’s for each to decide depending on the quantity of those who are going to eat, eating frequency and, of course, the spare space area.
I’m uploading some examples of dining tables. Pay attention to which chairs are being combined, sometimes it seems that the table and chairs are one entity.
Enjoy exploring and have a pleasant upcoming weekend!