Gitanjali is a collection of poems written by the Indian poet Rabindranath Tagore. It was first published in 1910 and is considered to be Tagore's best work. The poems are written in Bengali and English and explore themes of love, nature, and spirituality. The collection has been translated into many languages and is widely read and appreciated around the world. Gitanjali is a timeless classic that has inspired generations of readers with its beautiful and profound words. It is a must-read for anyone interested in Indian literature and culture.