Detailed Explanation:

India hosted the G20 Summit in 2023 during its presidency, with various meetings distributed across multiple states and UTs.

• G20 Meetings in J&K: Jammu and Kashmir hosted key working group meetings in May 2023 to showcase its tourism and cultural heritage.
• Main Summit Venue: The G20 Leaders' Summit (September 9-10, 2023) was held in New Delhi at Bharat Mandapam.
• Therefore, Jammu and Kashmir was chosen to host G20 meetings during India's 2023 presidency, making Option 2 the correct answer.