Which popular New Zealand city is known as the "Garden City"?

Christchurch is known as the "Garden City" due to its extensive parks, gardens, and beautiful botanic gardens that contribute to its reputation as a city filled with green spaces. The city has a strong emphasis on preserving its natural beauty, which is evident in its numerous public gardens, including the renowned Christchurch Botanic Gardens established in the 19th century. This title reflects the city's commitment to horticulture and landscape design, making it a popular destination for visitors who appreciate tranquil outdoor environments.

Other cities listed, such as Wellington, Auckland, and Hamilton, while they may have their own green spaces and attractions, do not carry the same iconic designation as the "Garden City" that Christchurch holds. This specific title highlights Christchurch's unique identity and its appeal to those looking to experience stunning garden landscapes.