Bristol itself is a city, but its edges — Failand, Long Ashton, Kingswood and the fringes toward the Mendips — still support working yards, and its position at the junction of Somerset, Gloucestershire and Wiltshire makes it one of the best-connected places in the south-west to search from. A Bristol-based family can realistically reach three horsey counties without a long drive, which widens genuine choice considerably.
Grazing directly around the city carries a premium, much like any urban fringe, so many buyers based in Bristol end up looking a short way out into Somerset or Gloucestershire for better value while keeping the commute reasonable. The motorway network (M4, M5) makes this genuinely practical rather than aspirational — a pony half an hour outside the city is a normal, easy addition to daily life.