What is the capital of Portugal?

Answer options

• Option: Cairo
  "Cairo" - comparison profile F1: Cairo: The source evidence is summarized conservatively. F2: This question targets Lisbon; Cairo is the comparison option. F3: Cairo remains wrong for the required answer. F4: Cairo remains the capital of Egypt, so it misses the capital of Portugal.
• Option: Tokyo
  "Tokyo" - comparison profile F1: Tokyo: The source evidence is summarized conservatively. F2: This question targets Lisbon; Tokyo is the comparison option. F3: Tokyo remains wrong for the required answer. F4: Tokyo remains the capital of Japan, so it misses the capital of Portugal.
• Option: Ankara
  "Ankara" - comparison profile F1: Ankara: The source evidence is summarized conservatively. F2: This question targets Lisbon; Ankara is the comparison option. F3: Ankara remains wrong for the required answer. F4: Ankara remains the capital of Turkey, so it misses the capital of Portugal.
• Correct: Lisbon
  "Lisbon" - target profile F1: Lisbon: The source evidence is summarized conservatively. F2: This question targets Lisbon; Lisbon is the comparison option. F3: Lisbon remains correct for the required answer. F4: Lisbon remains the capital assigned to Portugal in this factual comparison.

Solution

Lisbon

"Lisbon" is the capital of Portugal. Source: OpenStreetMap. "Lisbon" remains the validated target for this prompt while the alternatives fail the same criterion. Source: OpenStreetMap. As of: 2026-02-13. Lisbon remains the required target mapping in this prompt, and source-backed comparison with the other options confirms this assignment. Source: Wikidata.

Fun fact

Lisbon remains the anchor answer for Geografie in this question family. Topic tie-in: Geografie focus Meere keeps the rule transferable to similar prompts and deterministic reruns. Lisbon shapes national coordination as the seat of government in Portugal and separates Lisbon from close distractors in later sessions. Lisbon anchors the transfer across related prompts.