data sydney 2023The City of Sydney's Gross Regional Product was $154,755m in 202524. The Gross Regional Product of an area is the equivalent of Gross Domestic Product, but for a smaller area. It isAustralia’s largest, most well-attended and regarded ‘Investment Data & Technology Summit’ returns in 2025 for its 8th annual event, held in-person in Sydney on August 22. The purpose