And, the world's best restaurant of 2015 is…

Controversy surrounds 50 best restaurant list
Controversy surrounds 50 best restaurant list   

El Celler de Can Roca, located in Girona, a city in Spain's northeastern Catalonia region, reclaimed its crown as the world's top restaurant, according to the World's 50 Best Restaurants 2015 ranking by S.Pellegrino and Acqua Panna published late Monday.

Founded by brothers Joan and Josep Roca in 1986, the three Michelin star restaurant - known for combining traditional Catalan ingredients with a variety of cooking methods - last held the title in 2013.

The World's 50 Best Restaurants list, published since 2002, is compiled based on the votes of 1,000 international food writers and critics, chefs, restaurateurs and highly regarded 'gastronomes' from 27 separate regions around the world.

Read MoreGiant truffle sells for more than $61,000 in NY auction

The top 10 were populated by restaurants from all over the world.

Modena's Osteria Francescana, Copenhagen's Noma, Lima's Central and New York's Eleven Madison Park claimed the second, third, fourth and fifth place, respectively.

San Sebastián's Mugaritz, London's Dinner by Heston Blumenthal, Tokyo's Narisawa, São Paulo's D.O.M and Bangkok's Gaggan rounded out the top 10.

This app turns your kitchen into a restaurant
This app turns your kitchen into a restaurant   

This is the first time Asia, which is home to seven of the world's 50 best restaurants, has featured twice in the top 10.

Spain is the country that featured most prominently on the overall list with seven restaurants, followed by the U.S. with six and France with five.

Sydney's Sepia was chosen as this year's "One To Watch". Described as a "creative collaboration" between Sydney chef Martin Been and renowned seafood wholesaler George Costi, the restaurant draws inspiration from Japan and Australia for its contemporary menu.