The men's Sweet 16 field is set. These teams have reached the next round of March Madness

And then there were 16.

A once-68-team men's NCAA Tournament field has been whittled down to 16 following the opening weekend of March Madness.

All No. 1 and No. 2 seeds are headed for the Sweet 16, while No. 11 NC State is the only double-digit seed still standing.

From the complete field to the matchups and more, here's what to know about this year's Sweet 16:

What teams are in the Sweet 16 of March Madness?

Here's a look at the teams that have qualified for the Sweet 16:

• No. 1 UNC (West)
• No. 1 Purdue (Midwest)
• No. 1 UConn (East)
• No. 1 Houston (South)
• No. 2 Arizona (West)
• No. 2 Iowa State (East)
• No. 2 Marquette (South)
• No. 2 Tennessee (Midwest)
• No. 3 Illinois (East)
• No. 3 Creighton (Midwest)
• No. 4 Duke (South)
• No. 4 Alabama (West)
• No. 5 Gonzaga (Midwest)
• No. 5 San Diego State (East)
• No. 6 Clemson (West)
• No. 11 NC State (South)

What are the Sweet 16 matchups?

Here's a look at what the Sweet 16 matchups in each region will look like:

East

• No. 1 UConn vs. No. 5 San Diego State
• No. 3 Illinois vs. No. 2 Iowa State

West

• No. 1 UNC vs. No. 4 Alabama
• No. 6 Clemson vs. No. 2 Arizona

South

• No. 1 Houston vs. No. 4 Duke
• No. 11 NC State vs. No. 2 Marquette

Midwest

• No. 1 Purdue vs. No. 5 Gonzaga
• No. 3 Creighton vs. No. 2 Tennessee

When does the Sweet 16 start?

The Sweet 16 will run from Thursday, March 28 to Friday, March 29.

Where are the Sweet 16 locations in 2024?

The American Airlines Center in Dallas (South), TD Garden in Boston (East), Little Caesars Arena in Detroit (Midwest) and Crypto.com Arena in Los Angeles (West) are the four host sites for the Sweet 16 and Elite Eight.

When is the Elite Eight?

The Final Four participants will be determined in the Elite Eight from Saturday, March 30 to Sunday, March 31.

When is the Final Four?

The Final Four takes place on Saturday, April 6 followed by the title game on Monday, April 8.

Where is the Final Four in 2024?

State Farm Stadium, home of the NFL's Arizona Cardinals in Glendale, is the site of this year's Final Four and championship game.