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Chile national team. CONMEBOL (South America). La Roja (the Red One). Home jersey: red.
-Chile is in Group B (with Australia, Netherlands, and Spain). ‘2014 FIFA World Cup/Group B‘ (en.wikipedia.org).
2014 FIFA World Cup qualification: 2014 is Chile’s 9th qualification out of 20 tries.
Chile has qualified for the World Cup in: 1930, 1950, 1962, 1966, 1974, 1982, 1998, 2010, 2014.
Previous World Cup qualification: 2010, Round of 16 / 2-0-2.
Highest World Cup finish: 1962, Third Place / 4-0-2.

Population of Chile: 17.4 million {2012 estimate}.
Capital and largest city: Santiago, pop. 6.3 million (metro area) {2011 figure}.

Chile coach, Jorge Sampaoli. Jorge Sampaoli.
Chile captain, GK Claudio Bravo. Claudio Bravo.

Here is an analysis of Chile’s style of play under coach Jorge Sampaoli – from The New Libero, from 16 Jan. 2014, by Ian Walker, ‘World Cup Preview: Sampaoli’s Chile‘ (thenewlibero.blogspot.com).

The following link features a short article on the Chile team plus a 20-player photo gallery…from Deportes.Terra.cl, from 27 Aug. 2013, ‘La Roja: el positivo panorama de Sampaoli previo a Venezuela‘ / translated, ‘Reds: positive outlook…‘ (deportes.terra.cl/futbol/).

Below: Theoretical Best XI for Chile (with 4 other player-options further below) -
Note: players below reflect final 2014 WC squad selection.

Photo and Image credits -
Map of Chile on globe, by Addicted04 at en.wikipedia.org/wiki/File:Chile_(orthographic_projection).svg.
Map of Chile, by NordNordWest at en.wikipedia.org/wiki/File:Chile_location_map.svg.
Chile home jersey, photo from calcioitaliashop.com; http://www.calcioitaliashop.com/images/chile-home-shirt-2012-13.jpg.
Coach,
Jorge Sampaoli photo by Jamie McDonald/Getty Images Europe via zimbio.com.
Goalkeeper,
Claudio Bravo (Real Sociedad), photo from elsitioderuife.wordpress.com.
Defenders,
Mauricio Isla (Juventus), photo by Maurizio Lagana/Getty Images Europe via zimbio.com.
Gary Medel (Cardiff City), photo by Catherine Ivill/AMA via dailymail.co.uk.
José Manuel Rojas (Universidad de Chile), photo from diario.latercera.com.
Eugenio Mena (Santos), photo by Daniel Vorley/Getty Images South America via zimbio.com.
Midfielders,
Arturo Vidal (Juventus), photo by Claudio Villa/Getty Images Europe via zimbio.com.
Marcelo Díaz (Basel), photo from futchile.cl.
Charles Aránguiz (Internacional), photo from latercera.com/noticia/deportes/2014/02/656-565965-9-charles-aranguiz-anota-gol-de-tiro-libre-en-triunfo-de-internacional-de-porto.shtml.
Forwards,
Alexis Sánchez (Barcelona), photo by David Ramos/Getty Images Europe via zimbio.com.
Jorge Valdívia (Palmeiras), photo from Agencia Uno via deportes.terra.cl.
Eduardo Vargas (Napoli/Valencia), photo by Paolo Bruno/Getty Images Europe via zimbio.com.
Mauricio Pinilla FW (Cagliari), photo by Enrico Locci/Getty Images Europe via zimbio.com.
Other player-options,
Gonzalo Jara RB/DM/RM (Nottingham Forest), photo by Tony Marshall/Getty Images Europe via zimbio.com.
Mauricio Pinilla (Cagliari), photo
Jean Beausejour (Wigan), photo by Clint Hughes/Getty Images Europe via zimbio.com.
Esteban Paredes (Querétaro), photo from diario.latercera.com.

..

Thanks to the contributors at ‘2014 FIFA World Cup qualification‘ (en.wikipedia.org).
Thanks to the contributors at ‘Chile national football team‘ (en.wikipedia.org).
Thanks to http://www.transfermarkt.com/en/, for player-position details.