01968nas a2200121   4500000000100000008004100001100001900042700001900061700002600080245008600106300001200192520164200204       2019                            d1 aA. Ruiz Lanuza1 aC. Gomez Lopez1 aC. Guerrero Hernandez00aChanges in the urban landscape caused by tourism, the case of Guanajuato, Mexico.  a105-1173 aThis paper aims to generate a replicable methodology to analyze the degree of urban transformations caused by tourism, the study is conducted in the city of Guanajuato, in Mexico. The analysis was designed in two main sections, on the one hand, the changes that have been protected buildings in the city, as a result of tourism with a dynamic 10 years (2009-2019), by updating observed information sheets, cataloguing, and georeferencing of 695 protected buildings. On the other hand, the relations for the host society have caused tourist transformations in the urban landscape, by conducting a survey that addresses issues related to the material and intangible heritage are established. As a result of various analyzes is obtained that the city even though it has a tourist history of more than 50 years and in certain seasons of the year, you experience moments of saturation visitors, however, changes in 10 years is a 15\% tourist transformation (gentrificacion or tertiarization) which it is not as representative. the host society even though alarms sighting gives important problems related to tourism, tourism perceives an opportunity and conclusively acknowledge the need for promote tourism. Also, we see how 50\% of people have migrated to outlying areas of the city but continue with the need to attend the historic center for its daily activities. A discussion that touches on topics of interest such as tertiarization, gentrification and tourism, on an urban reality and the perception of those who inhabit arises. It is concluded that tourism has caused a major urban transformation away at present considered dangerous.