Crystal Palace's Welsh quartet head up a group of eight players who have been called up for international duty next week.
Wayne Hennessey, Danny Gabbidon, Jonny Williams and Joe Ledley have all been selected by Wales boss Chris Coleman for their friendly against Iceland on Wednesday 5th March.
All will be looking to stake their claim for a place in the national squad ahead of the Euro 2016 qualifiers, which get underway in September this year.
Wales will fancy their chances of qualifying for their first major tournament since 1958, having been drawn in Group B alongside Bosnia and Herzegovina, Belgium, Israel, Cyprus and Andorra.
Barry Bannan's inclusion in the Scotland squad means that Palace have five players set to represent the home nations next week.
Gordon Strachan's men face a trip to Warsaw to take on Poland - who, coincidentally, were drawn alongside Scotland in Group D of their Euro 2016 qualifying campaign.
Jonny Parr completes Palace's European contingent after he was called up to the Norway squad ahead of their game against the Czech Republic.
Parr will be looking to win his 10th international cap during the friendly in Prague, which also takes place on Wednesday 5th March.
Elsewhere on that same night, Adrian Mariappa could add to his haul of 15 Jamaican caps when his country host Grenada in a friendly and Adlene Guedioura has been named among the Algeria party ahead of their clash with Slovenia, as they continue their preparations for the 2014 World Cup.
Check out cpfc.co.uk following these fixtures for a full international round-up as our Eagles take flight around the globe!