The phrase "major entry point" is correct and can be used in written English.
It can be used to describe a key gateway, such as a door, a website, or a bridge, that serves as a primary access point. For example, "The main bridge serves as the major entry point to the island."
Greece, lax and hard-pressed, is a major entry point for all sorts of refugees.
Italy has become a major entry point for people from Africa, Asia, Eastern Europe and Turkey.
"When Ecuador removed visa requirements for all nationalities, it became a major entry point for traffickers".
Complex I is the major entry point in the bacterial and mitochondrial respiratory chain.
Baltic countries are a major entry point into the western financial system for Russian cash.
The smartphone complemented social media – now a major entry point to most content-centric sites – and it changed consumption habits.
Further, the Ports of Long Beach and Los Angeles are major entry points for imported goods from Asia, where a majority of fireworks are manufactured.
Italy and Greece have been the major entry points to Europe for hundreds of thousands of migrants and refugees over the past year.
The obvious solution is for Canada, Australia, the United States, Brazil and other countries to announce that they are willing to send processing teams to Budapest, Athens and the other major entry points to register refugees and process them for admission.
Screening centres are also being set up at the few major entry points that will remain open, such as the main airport.
Greece and Italy - major entry points for migrants - say there must be more burden-sharing in the EU, especially as they have been hit hard by the eurozone crisis.
