Generally, one's great-grandfather's (or great-grandfather's) permanent residence or birthplace is the birthplace, or one's great-grandmother's (or great-grandmother's) permanent residence or birthplace is the birthplace.
Or take the permanent residence or birthplace of my great-grandfather (or great-grandfather or great-grandfather) as someone's birthplace, or take the permanent residence or birthplace of my great-grandmother (or great-grandmother or great-grandmother) as someone's birthplace.
Most of my grandfather's long-term residence is consistent with my grandfather's birthplace and domicile. If grandpa's birthplace is inconsistent with the household registration, it is also best to fill in the birthplace or the household registration with the same long-term residence as the birthplace.
Related knowledge:
Provinces/autonomous regions/municipalities directly under the Central Government/Hong Kong Special Administrative Region/Macao Special Administrative Region/+counties/county-level cities/counties/districts+towns/streets+villages/neighborhood committees. The names of prefecture-level divisions (prefecture-level cities) are not written in the middle of provincial and county-level and town-level administrative divisions. Compare the current administrative divisions with the places where ancestors lived for a long time.
Native place is the permanent residence of an ancestor of a family group in a certain period, which refers in detail to the permanent residence of great-grandfather and above paternal ancestors or the birthplace of great-grandfather and above paternal ancestors.
Generally speaking, these people migrated from other places after China's reform and opening up or in the era of planned economy, or immigrated to new places in modern times according to the distribution of the country at that time.
Reference to the above content: Baidu Encyclopedia-Native place