Jude Bellingham has been added to the England men’s senior squad following the withdrawals of James Ward-Prowse and Trent Alexander-Arnold through injury.
The Borussia Dortmund midfielder was originally included in the men's under-21 squad but will now link up with the seniors for the first time.
Marcus Rashford is scheduled to report for duty on Thursday to allow for further assessment on an injury sustained playing for Manchester United last Saturday.
The majority of the squad arrived at St. George’s Park on Monday, with seven more players – Ben Chilwell, Eric Dier, Harry Kane, Kyle Walker, Joe Gomez, Jordan Henderson and Raheem Sterling – due to report on Tuesday.
England face Republic of Ireland at Wembley Stadium connected by EE on Thursday 12 November, before travelling to Belgium on Sunday 15 November and welcoming Iceland on Wednesday 18 November to complete the UEFA Nations League group stage.
Updated England squad to face Republic of Ireland, Belgium and Iceland
Tammy Abraham (Chelsea), Jude Bellingham (Borussia Dortmund), Dominic Calvert-Lewin (Everton), Ben Chilwell (Chelsea), Conor Coady (Wolverhampton Wanderers), Eric Dier (Tottenham Hotspur), Phil Foden (Manchester City), Joe Gomez (Liverpool), Jack Grealish (Aston Villa) Dean Henderson (Manchester United), Jordan Henderson (Liverpool), Reece James (Chelsea) Harry Kane (Tottenham Hotspur), Michael Keane (Everton), Harry Maguire (Manchester United), Ainsley Maitland-Niles (Arsenal), Tyrone Mings (Aston Villa), Mason Mount (Chelsea), Jordan Pickford (Everton), Nick Pope (Burnley), Marcus Rashford(Manchester United), Declan Rice (West Ham United), Bukayo Saka (Arsenal) Jadon Sancho (Borussia Dortmund), Raheem Sterling (Manchester City), Kieran Trippier (Atletico Madrid), Kyle Walker (Manchester City), Harry Winks (Tottenham Hotspur)
Elsewhere, Aidy Boothroyd has now added Everton duo Ben Godfrey and Tom Davies to his MU21 squad but will be without Norwich City defender Max Aarons.
The Young Lions secured qualification for the next stage of the 2021 UEFA U21 EURO championship last month but face two final games at Molineux against Andorra and Albania on Friday 13 November and Tuesday 17 November respectively.
Updated England MU21 squad to face Andorra and Albania
Goalkeepers: Brandon Austin (Tottenham Hotpur), Josef Bursik (Stoke City, on loan at Doncaster Rovers), Aaron Ramsdale (Sheffield United)
Defenders: Lee Buchanan (Derby County), Ben Godfrey (Everton), Marc Guehi (Chelsea, on loan at Swansea City), James Justin (Leicester City), Lloyd Kelly (AFC Bournemouth), Tariq Lamptey (Brighton and Hove Albion), Jonathan Panzo (Dijon), Rhys Williams (Liverpool), Ben Wilmot (Watford)
Midfielders: Josh Dasilva (Brentford), Tom Davies (Everton), Ebere Eze (Crystal Palace), Conor Gallagher (Chelsea, on loan at West Bromwich Albion), Curtis Jones (Liverpool), Oliver Skipp (Tottenham Hotspur, on loan at Norwich City)
Forwards: Rhian Brewster (Sheffield United), Callum Hudson-Odoi (Chelsea), Dwight McNeil (Burnley), Jamal Musiala (Bayern Munich), Eddie Nketiah (Arsenal), Ryan Sessegnon (Tottenham Hotspur, on loan at Hoffenheim)