 The capital of Ibiza, called simply Ibiza, or Ibiza Town, has a population of almost 35,000.
The capital on Ibiza island has the biggest population at 35k.
mnli hypothesis: The capital on Ibiza island has the biggest population at 35k. premise:  The capital of Ibiza, called simply Ibiza, or Ibiza Town, has a population of almost 35,000.