What am I?

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Across
  1. 4. The money used in the United Kingdom.
  2. 5. A spicy Korean dish made from vegetables.
  3. 6. A colourful dress worn by women in India.
Down
  1. 1. A grand house where kings or queens live.
  2. 2. The main city of a country.
  3. 3. The money used in a country.