The 1977-78 Cuban National Series was a watershed in that it coincided with Cuba

Cuba

The Republic of Cuba is an island nation in the Caribbean. The nation of Cuba consists of the main island of Cuba, the Isla de la Juventud, and several archipelagos. Havana is the largest city in Cuba and the country's capital. Santiago de Cuba is the second largest city...

's administrative restructuring of 1977, which created fourteen provinces

Provinces of Cuba

Administratively, Cuba is divided into 15 provinces and one special municipality not included in any province. The last modification was approved in August 2010 , splitting Havana province into two new provinces: Artemisa and Mayabeque...

. Pinar del Río's Vegueros won the title, with a slim victory over Havana

Havana

Havana is the capital city, province, major port, and leading commercial centre of Cuba. The city proper has a population of 2.1 million inhabitants, and it spans a total of — making it the largest city in the Caribbean region, and the most populous...

's Industriales

Industriales

Industriales is a baseball team in the Cuban National Series. One of the two teams based in the city of Havana, Industriales is historically the most successful team in the National Series, the main domestic competition in post-revolutionary Cuban baseball...

.

Restructuring

Teams were renamed along these lines, many taking the names of their new locations.

Three provinces kept two teams:

• Havana
  Havana
  Havana is the capital city, province, major port, and leading commercial centre of Cuba. The city proper has a population of 2.1 million inhabitants, and it spans a total of — making it the largest city in the Caribbean region, and the most populous...
  
   (city): Industriales
  Industriales
  Industriales is a baseball team in the Cuban National Series. One of the two teams based in the city of Havana, Industriales is historically the most successful team in the National Series, the main domestic competition in post-revolutionary Cuban baseball...
  
   and Metropolitanos
  Metropolitanos
  The Metropolitanos of Havana was a baseball team in the Cuban National Series. The Metros, also known as the Guerreros , has historically been a poor team, though it is ostensibly the heir to the Habana teams of the pre-revolutionary Cuban League....
  
  
• Pinar del Río Province
  Pinar del Río Province
  Pinar del Río is one of the provinces of Cuba. It is at the western end of the island of Cuba.-Geography:The Pinar del Río province is Cuba's westernmost province and contains one of Cuba's three main mountain ranges, the Cordillera de Guaniguanico, divided into the easterly Sierra del Rosario and...
  
  : Vegueros and Forestales
• Matanzas Province
  Matanzas Province
  Matanzas is one of the provinces of Cuba. Major towns in the province include Cárdenas, Colón, Jovellanos and the capital of the same name, Matanzas...
  
  : Citricultores and Henequeneros

Additionally, the special administrative area of Isla de la Juventud had its own team, despite not being a province.

This league structure survives today in a similar form.

Standings

Team	W	L	Pct.	GB Games behind In sports, the phrase games behind or games back , is a common way to reflect the gap between a leading team and another team in a sports league, conference, or division...
Vegueros (Pinar del Río)	36	14	.720	-
Industriales Industriales Industriales is a baseball team in the Cuban National Series. One of the two teams based in the city of Havana, Industriales is historically the most successful team in the National Series, the main domestic competition in post-revolutionary Cuban baseball...	35	16	.686	1½
Camagüey Camagüey Alfareros Camagüey is a baseball team in the Cuban National Series. Formed after the Cuban state redefined its provinces in 1977, the Alfareros advanced the next season to the league championship series, but fell to Henequeneros...	30	21	.588	6½
Forestales (Pinar del Río)	29	21	.580	7
Metropolitanos Metropolitanos The Metropolitanos of Havana was a baseball team in the Cuban National Series. The Metros, also known as the Guerreros , has historically been a poor team, though it is ostensibly the heir to the Habana teams of the pre-revolutionary Cuban League....	28	21	.571	7½
Villa Clara Villa Clara Naranjas Villa Clara is a baseball team in the Cuban National Series. Based in Santa Clara, the Naranjas or Azucareros have been one of the league's most successful squads over the last 30 years, winning championships in 1983, as well as three year run from 1993, 1994 and 1995. They also lost the 1996,...	28	21	.571	7½
Cienfuegos Cienfuegos Camaroneros Cienfuegos is a baseball team in the Cuban National Series. Based in the southern city of Cienfuegos, the Camaroneros had their best season in their second year of existence, finishing fourth in the National Series...	29	22	.568	7½
Guantánamo Guantánamo Indios Guantánamo is a baseball team in the Cuban National Series. Based in the easternmost Cuban province of Guantánamo, the Indios have had uneven results, though they advanced to the playoffs in three straight years from 1997 to 1999.-Current roster:...	28	22	.560	8
Ciego de Ávila Ciego de Ávila Tigres Ciego de Ávila is a baseball team in the Cuban National Series. Based in Ciego de Ávila Province, the Tigres have spent most of its history in the bottom reaches of the standings....	26	23	.530	9
Citricultores (Matanzas)	27	24	.529	9½
Granma Granma Alazanes Granma Alazanes is a baseball team in the Cuban National Series, based in the eastern province of Granma. The Alazanes are a frequent contender, but have never advanced to a National Series final.-Current roster:...	25	25	.500	11
Santiago de Cuba Santiago de Cuba Avispas Santiago de Cuba is a baseball team in the Cuban National Series based in Estadio Guillermón Moncada in Santiago de Cuba. The Avispas are historically one of the most successful teams in the National Series, the main domestic competition in post-revolutionary Cuban baseball...	25	25	.500	11
La Habana Havana Vaqueros Habana is a baseball team in the Cuban National Series. Based in Havana Province , the Vaqueros won their first ever National Series in 2009, and reached the National Series final against Santiago de Cuba in 2004-05....	21	26	.446	13½
Holguín Holguín Sabuesos Holguín is a baseball team in the Cuban National Series. Based in eastern Holguín province, the Sabuesos have historically been a poor team, but made a surprising run in 2002 to claim their only championship.-Current roster:...	22	28	.440	14
Sancti Spíritus Sancti Spíritus Gallos Sancti Spíritus is a baseball team in the Cuban National Series. Sancti Spíritus, nicknamed the Gallos won the series championship in 1978–79...	20	30	.400	16
Henequeneros (Matanzas)	16	30	.347	18
Las Tunas Las Tunas Magos Las Tunas is a baseball team in the Cuban National Series. Based in eastern Las Tunas province, the Magos,or Leñadores also known as the Espinosos, were long a perennial last-place team in Group C. In 1992-1993, Las Tunas reached the quarterfinals, but have not been back to the playoffs since...	12	37	.244	23½
Isla de Pinos Isla de la Juventud Toronjeros Isla de la Juventud is a baseball team in the Cuban National Series. Based in Nueva Gerona , the Toronjeros finished first in Group B of the league last season.-History:...	10	41	.196	26½