Birmingham City Centre offers a variety of green spaces where residents and visitors can relax and enjoy some nature amidst the urban landscape. Here are some notable green spaces in Birmingham City Centre:

1. Centenary Square
Location: Broad St, Birmingham B1 2EP
Description: Although not a traditional park, Centenary Square is a large public square with green spaces, fountains, and sculptures. It's a hub for events, and the square is surrounded by notable buildings like the Library of Birmingham and the Birmingham Repertory Theatre.

2. St. Philip's Cathedral grounds
Location: Colmore Row, Birmingham B3 2QB
Description: The grounds surrounding St. Philip's Cathedral offer a peaceful escape in the heart of the city. The cathedral itself is a stunning piece of architecture, and the greenery around it provides a serene environment for a quiet stroll.

3. Eastside City Park
Location: Curzon St, Birmingham B4 7AP
Description: This is a modern park with contemporary landscaping, water features, and public art. It's adjacent to the impressive Millennium Point and provides a green oasis in the heart of the Eastside district.

These green spaces offer a mix of nature, tranquility, and often host events and activities throughout the year, making them integral parts of Birmingham's city centre.