Answer : 4. "New York"
Explanation :

Leaders from around the world gathered at the high-level Sustainable Development Goals (SDG) summit hosted by the United Nations in New York and endorsed a firm political declaration. This announcement underlines their shared commitment to create a sustainable and inclusive world by 2030. The leaders reiterated the importance of the “Addis Ababa Action Agenda” and called for urgent action to implement the UN Secretary-General's resolution for SDG promotion.