Given the task definition and input, reply with output. This task is about writing a correct answer for the reading comprehension task. Based on the information provided in a given passage, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.

Passage: Portuguese is the official language of Portugal. Portuguese is a Romance language that originated in what is now Galicia and Northern Portugal, originating from Galician-Portuguese, which was the common language of the Galician and Portuguese people until the independence of Portugal. Particularly in the North of Portugal, there are still many similarities between the Galician culture and the Portuguese culture. Galicia is a consultative observer of the Community of Portuguese Language Countries. According to the Ethnologue of Languages, Portuguese and Spanish have a lexical similarity of 89% - educated speakers of each language can communicate easily with one another. Question: Where did Portuguese originate?
Galicia and Northern Portugal