Gold ETF is a security listed on the stock exchange available for trading with an intention to offer investors a means of participating in the gold bullion market without the necessity of taking physical delivery of gold.
Gold ETF is correspond to the returns provided by designed to provide returns that, before expenses, closely domestic price of Gold. Each unit is approximately equal to the price of 1 gram of Gold.
In simple words investing in Gold ETFs is investing in Gold through dematerialized form.