Killjoys

In England, if your employer wants you to attend a three-day conference, Monday to Wednesday, in Tblisi, the traditional way to proceed is to purchase with your employer's credit card a flight leaving Heathrow Friday evening and arriving Tblisi at an uncivilised hour Saturday morning and a flight leaving Tblisi Sunday lunchtime and arriving Heathrow at a reasonable hour Sunday evening, to take two days of vacation, and to use this to get yourself five days in Tblisi along with the conference; this means you arrive at the conference bouncy and efficient, having spent two days in the Georgian sunshine to cure your jet-lag, then get three days in the unsurpassed beauty of the Georgian mountains before returning home.

If you are Swedish, the government regards this as a benefit in kind for taxation purposes, and the forms you'd have to fill in to give the employers the tax they'd have to pay on it are sufficiently onerous that employers don't offer this option.