My name is Ian, you could say I'm central to the solution. While the answer is where I went on my last vacation, I love to talk about my work... My entire start of the week was spent bombarding atoms with radiation! Towards the end of this week I've spent a lot of time with uncharged selenium. If you've followed along so far you only need to start at the beginning of a common list for the last character!
Pretty sure the anwer is the 'Ionian sea'
Ian is central to this answer
The Ionian Sea is a nice holiday destination
Ions are created when atoms are bombarded by radiation
Se is the abbreviation for Selenium in the periodic table,
A is the beginning of the alphabet, a well known list